UPSEE 2019 Solved Paper
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Question : 128 of 150
Marks:
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-0
The circles x 2 + y 2 + k x + 4 y = 20 and x 2 + y 2 + 6 x − 8 y + 10 = 0 intersect orthogonally. Also circles x 2 + y 2 − p ( x − y ) + 1 = 0 andp ( x 2 + y 2 ) + x − y = l intersect orthogonally.
Then,k ∕ p equals
Then,
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